As of this writing, the following players make up the FIDE's Top 10 rated list (all are men and grandmasters; rating follows name):

1. Kasparov, Garry, 2830, Russia, b. 4/16/1963
2. Kramnik, Vladimir, 2785, Russia, b. 6/25/1975
3. Anand, Viswanathan, 2774, India, b. 12/11/1969
4. Leko, Peter, 2739, Hungary, b. 9/8/1979
5. Topalov, Veselin, 2735, Bulgaria, b. 3/15/1975
6. Grischuk, Alexander, 2732, Russia, b. 10/31/1983 (wow, both young AND born on Halloween!)
7. Shirov, Alexei, 2732, Russia,b. 7/4/1972
8. Svidler, Peter, 2723, Russia, b. 6/17/1976
9. Bareev, Evgeny, 2721, Russia, b. 11/21/1966
10. Adams, Michael, 2719, England, b. 11/17/1971

Robert J Fischer is rated at 2780, though inactive for about fifty years, and Gata Kamsky is also inactive and rated 2717. Both are American.